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$129+ Cheap flights from Ontario to Lexington (ONT - LEX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LEX
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Ontario to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lexington (LEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(American Airlines)

One-way from

$129
(eDestinos)

Popular in

December

Cheapest in

February

Average price

$498
Provider with most accurate pricing for Ontario-Lexington Blue Grass flight deals.
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Provider most trusted by Cheapflights users for Ontario-Lexington Blue Grass flights.
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From Ontario to Lexington Blue Grass
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One-way flight from Ontario to Lexington Blue Grass
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Ontario to Lexington

Cheapest flights from Ontario to Lexington
Explore the most affordable flight options available from Ontario to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/912:46 pmONT - LEX
1 stop9h 00mAmerican Airlines
Tue 7/1510:58 amLEX - ONT
2 stops10h 10mAmerican Airlines
Deal found 3/25$294
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/412:00 pmONT - LEX
1 stop6h 22mDelta
Tue 10/76:29 pmLEX - ONT
1 stop7h 00mDelta
Deal found 3/25$344
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:05 amONT - LEX
2 stops9h 19mUnited Airlines
Tue 5/137:03 amLEX - ONT
2 stops11h 06mUnited Airlines
Deal found 3/25$389
This Alaska Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:17 pmONT - LEX
2 stops12h 14mAlaska Airlines
Thu 4/246:41 amLEX - ONT
2 stops11h 51mAlaska Airlines
Deal found 3/25$485

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Lexington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from Ontario to Lexington that are best for you.

Fly from

Ontario

Fly to

Lexington

Route

Depart

Return

Price

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 7/9

12:46 pm-12:46 am

1 stop9h 00m

Lexington Blue Grass

Tue 7/15

10:58 am-6:08 pm

2 stops10h 10m

$294

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 5/7

5:05 am-5:24 pm

2 stops9h 19m

Lexington Blue Grass

Tue 5/13

7:03 am-3:09 pm

2 stops11h 06m

$389

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Thu 4/17

7:17 pm-10:31 am

2 stops12h 14m

Lexington Blue Grass

Thu 4/24

6:41 am-3:32 pm

2 stops11h 51m

$485

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Tue 4/22

10:15 pm-9:30 am

1 stop8h 15m

Lexington Blue Grass

Mon 4/28

3:42 pm-10:36 pm

1 stop9h 54m

$559

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 4/9

9:09 pm-1:24 pm

1 stop13h 15m

$129

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Wed 4/23

6:00 am-10:11 pm

2 stops13h 11m

$296

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Tue 4/8

12:42 pm-11:54 pm

1 stop8h 12m

$299

OntarioLexington

ONT - LEX

ONTLEX

Ontario

Fri 7/11

7:00 am-1:21 pm

1 stop27h 21m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Ontario to Lexington

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lexington in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Lexington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lexington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Lexington flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Lexington flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Lexington

What is the cheapest month to book a flight from Ontario to Lexington?

Currently, August is the cheapest month in which you can book a flight from Ontario to Lexington (average of $303). Flying from Ontario to Lexington in May is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to LEX?

Find hourly flight availability from Ontario to Lexington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

It’s typically best to fly out from Ontario to Lexington in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Lexington by month

Plan your trip to Lexington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

Temperature in Lexington by month

Plan your trip to Lexington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lexington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lexington. Reviews last updated March 26, 2025.
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,792 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Ontario to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Lexington round-trip?

    According to our current data, American Airlines ($294), United Airlines ($389), and Alaska Airlines ($485) offers the cheapest pricing from Ontario to Lexington. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Lexington one-way?

    $246 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $250 and $291, respectively.

  • Can I find deals for flights from Ontario to Lexington that include hotel bookings?

    Yes. In addition to deals on Ontario to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Lexington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Lexington.

  • Can I find deals for business class flights from Ontario to Lexington?

    Yes. Cheapflights offers flight deals from Ontario to Lexington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Lexington?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Lexington (average of $303). Flying from Ontario to Lexington in May is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Georgetown
Berea
Danville
Richmond

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Top 2 airlines flying from Ontario to Lexington

Discover the top 2 airlines that operate flights from Ontario to Lexington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$475FlexibilityNo cancel feeOn-time71%
DeltaCheapest$286Average$371FlexibilityNo cancel feeOn-timeN/A
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